Union DN25 3000lb FNPT A105 MSS SP-83 Size:DN6~DN100(1/8"~4")Work pressure:3000LB,6000LB,9000LBMaterial:Carbon Steel ,Alloy steel , Stainless SteelConncetion:butt weld,socket weld,threaded,male and femaleStandard: MSS SP-83 JIS Fittings can also be processed into the combination models of socket and threading.Thread form can be manufactured in accordance with user requirements